Vulnerability · Published Jul 15, 2024 · Assigned by GitHub_M

CVE-2024-38360Denial of service via Watched Words in Discourse

Medium 4.9

In plain English

A medium-severity uncontrolled resource consumption in discourse from discourse. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.5% (higher than 41% of all known vulnerabilities).

Severity (CVSS 3.1)4.9Medium

Exploit odds (30 days)0.5%top 59.2% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

Official description

Discourse is an open source platform for community discussion. In affected versions by creating replacement words with an almost unlimited number of characters, a moderator can reduce the availability of a Discourse instance. This issue has been addressed in stable version 3.2.3 and in current betas. Users are advised to upgrade. Users unable to upgrade may manually remove the long watched words either via SQL or Rails console.

Affected products (as reported)

Vendor	Product	Versions
discourse	discourse	stable <= 3.2.2beta <= 3.3.0.beta2tests-passed <= 3.3.0.beta2

Weakness: CWE-400 · Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H

References

https://github.com/discourse/discourse/security/advisories/GHSA-68pm-hm8x-pq2p x_refsource_CONFIRM
https://github.com/discourse/discourse/commit/7b53e610c17e38be982dffefa4e5b5a709a3b990 x_refsource_MISC